Open-End Nut-Hex17mm (1151) Yangzhou Haina Auto Parts Manufacturing Co., Ltd. Base Info Model NO.:1151Material:Carbon SteelType:Hexagon HeadHead Style:HexagonalStandard:GBGrade:8.8Origin:China Description Pre:Open-End Nut-Hex19mm (1101) Next:Wheel Nut (1202)